A chocolate cake that has been half eaten by people who do not own it, and then the owner puts his c*ck in the remaining half before making the people eat the rest.
Joshua: Who has eaten half of my cake?
Laura,Emma,Lucy: We did.
Joshua: Well you can finish the rest, it is outside your door.
(the girls eat the cake)
Joshua: ahahahahhahahaha guess what I put in it. That's what you call a Cockcake.